JP4551694B2 - 温熱間成形品の製造方法および成形品 - Google Patents
温熱間成形品の製造方法および成形品 Download PDFInfo
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- JP4551694B2 JP4551694B2 JP2004151754A JP2004151754A JP4551694B2 JP 4551694 B2 JP4551694 B2 JP 4551694B2 JP 2004151754 A JP2004151754 A JP 2004151754A JP 2004151754 A JP2004151754 A JP 2004151754A JP 4551694 B2 JP4551694 B2 JP 4551694B2
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- molding
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- molded product
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- 238000000034 method Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000465 moulding Methods 0.000 claims description 56
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 30
- 230000009466 transformation Effects 0.000 claims description 23
- 229910000859 α-Fe Inorganic materials 0.000 claims description 16
- 229910000734 martensite Inorganic materials 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 13
- 230000037303 wrinkles Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 238000012669 compression test Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
成形開始温度(℃)≦0.725×鋼板の加熱温度(℃)…(1)
金型がブランクに接触してから、下死点で停止するまでの時間は0.75秒とした。また成形開始温度は、加熱炉からブランクを取り出し、成形を開始するまでの放冷時間を制御することによって行い、同時に放射温度計にて実績温度を測定した。その際の冷却速度は、加熱温度から成形開始温度までの平均で10〜20℃/秒とした。成形過程では、成形開始後、下死点にて約20秒間保持し、焼入れ操作を実施した。その他のプレス成形条件は下記の通りである。
しわ押さえ力:1トン
ダイ肩半径rd:5mm
パンチ肩半径rp:5mm
パンチ−ダイ間クリアランスCL:[1.32/2+1.4(鋼板厚さ)]mm
成形高さ:37mm
潤滑剤:耐熱温度1000℃のペースト状固体潤滑剤を使用し、金型に塗布した。
2 ダイ
3 ブランクホルダー
4 鋼板(ブランク)
7 ピン
Claims (3)
- パンチおよびダイを用いて薄鋼板を温間または熱間で成形して、ミクロ組織がフェライトおよびマルテンサイトからなり、且つフェライト分率が10面積%以上である成形品を製造するに当たり、薄鋼板を、Ac1変態点以上Ac3変態点未満の温度に加熱した後、10〜20℃/秒の平均冷却速度で放冷して成形開始温度となったところで、下記(1)式を満足すると共にマルテンサイト変態開始温度Msよりも高い成形開始温度で成形することを特徴とする温熱間成形品の製造方法。
成形開始温度(℃)≦0.725×鋼板の加熱温度(℃)…(1) - しわ押さえを使用して成形する請求項1に記載の製造方法。
- 請求項1または2に記載の方法によって製造された成形品であって、そのミクロ組織がフェライトおよびマルテンサイトからなり、且つフェライト分率が10面積%以上である成形品。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004151754A JP4551694B2 (ja) | 2004-05-21 | 2004-05-21 | 温熱間成形品の製造方法および成形品 |
US11/116,304 US20050257862A1 (en) | 2004-05-21 | 2005-04-28 | Production method of warm- or hot-formed product |
FR0504903A FR2870469B1 (fr) | 2004-05-21 | 2005-05-16 | Procede de production d'un produit forme a chaud ou a la chaleur |
GB0510344A GB2414208B (en) | 2004-05-21 | 2005-05-20 | Production method of warm-or hot-formed product |
CNB2005100739175A CN1310714C (zh) | 2004-05-21 | 2005-05-23 | 温热或热成形产品的生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004151754A JP4551694B2 (ja) | 2004-05-21 | 2004-05-21 | 温熱間成形品の製造方法および成形品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005329449A JP2005329449A (ja) | 2005-12-02 |
JP4551694B2 true JP4551694B2 (ja) | 2010-09-29 |
Family
ID=34836618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004151754A Expired - Fee Related JP4551694B2 (ja) | 2004-05-21 | 2004-05-21 | 温熱間成形品の製造方法および成形品 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050257862A1 (ja) |
JP (1) | JP4551694B2 (ja) |
CN (1) | CN1310714C (ja) |
FR (1) | FR2870469B1 (ja) |
GB (1) | GB2414208B (ja) |
Families Citing this family (35)
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JP3816937B1 (ja) * | 2005-03-31 | 2006-08-30 | 株式会社神戸製鋼所 | 熱間成形品用鋼板およびその製造方法並びに熱間成形品 |
EP1767659A1 (fr) * | 2005-09-21 | 2007-03-28 | ARCELOR France | Procédé de fabrication d'une pièce en acier de microstructure multi-phasée |
JP4630188B2 (ja) * | 2005-12-19 | 2011-02-09 | 株式会社神戸製鋼所 | スポット溶接部の接合強度および熱間成形性に優れた熱間成形用鋼板並びに熱間成形品 |
ES2284377B1 (es) * | 2006-02-24 | 2008-09-16 | Mondragon Utillaje Y Sistemas, S.Coop. | Util para conformar una chapa metalica. |
DE102006019395A1 (de) | 2006-04-24 | 2007-10-25 | Thyssenkrupp Steel Ag | Vorrichtung und Verfahren zum Umformen von Platinen aus höher- und höchstfesten Stählen |
DE102007009937A1 (de) | 2007-03-01 | 2008-09-04 | Schuler Smg Gmbh & Co. Kg | Verfahren zur Umformung einer Platine und Kühlvorrichtung für eine Platine |
CN101680048B (zh) * | 2007-06-15 | 2013-12-25 | 新日铁住金株式会社 | 成形品的制造方法 |
DE102008044693B4 (de) * | 2008-08-28 | 2011-02-24 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung gehärteter Bauteile mit mehrfachem Erwärmen |
DE102008043401B4 (de) * | 2008-11-03 | 2017-09-21 | Volkswagen Ag | Verfahren und Vorrichtung zur Herstellung von Blechbauteilen mittels Warmumformung sowie dadurch hergestellte Blechbauteile |
DE102009021307A1 (de) * | 2009-05-14 | 2011-01-05 | Diehl Metall Stiftung & Co. Kg | Verfahren zur Herstellung eines Bestandteils einer Synchronisierungseinrichtung für ein Schaltgetriebe |
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JP5761839B2 (ja) * | 2010-08-12 | 2015-08-12 | 株式会社エイチアンドエフ | 鋼板のホットプレス方法 |
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JP5695381B2 (ja) | 2010-09-30 | 2015-04-01 | 株式会社神戸製鋼所 | プレス成形品の製造方法 |
WO2012043833A1 (ja) * | 2010-09-30 | 2012-04-05 | 株式会社神戸製鋼所 | プレス成形設備 |
CN103140304B (zh) * | 2010-09-30 | 2015-08-19 | 株式会社神户制钢所 | 冲压成形品及其制造方法 |
US20160067760A1 (en) * | 2010-12-22 | 2016-03-10 | Nippon Steel & Sumitomo Metal Corporation | Surface layer grain refining hot-shearing method and workpiece obtained by surface layer grain refining hot-shearing |
US11344941B2 (en) | 2011-07-21 | 2022-05-31 | Kobe Steel, Ltd. | Method of manufacturing hot-press-formed steel member |
GB201116668D0 (en) * | 2011-09-27 | 2011-11-09 | Imp Innovations Ltd | A method of forming parts from sheet steel |
JP2013075329A (ja) | 2011-09-30 | 2013-04-25 | Kobe Steel Ltd | プレス成形品の製造方法およびプレス成形設備 |
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JP5952881B2 (ja) * | 2014-11-27 | 2016-07-13 | 株式会社神戸製鋼所 | プレス成形品の製造装置 |
CN109333001B (zh) * | 2018-09-30 | 2020-06-19 | 苏州普热斯勒先进成型技术有限公司 | 高强钢汽车外覆盖件总成及其制造方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004025247A (ja) * | 2002-06-26 | 2004-01-29 | Jfe Steel Kk | 高強度化部品の製造方法 |
JP2004124221A (ja) * | 2002-10-07 | 2004-04-22 | Nippon Steel Corp | 熱間成形加工後の硬化能に優れた鋼板およびその使用方法 |
JP2005177805A (ja) * | 2003-12-19 | 2005-07-07 | Nippon Steel Corp | ホットプレス成形方法 |
JP2005205477A (ja) * | 2004-01-26 | 2005-08-04 | Nippon Steel Corp | 生産性に優れた熱間プレス成形方法及び自動車用部材 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5537574B2 (ja) * | 1974-04-17 | 1980-09-29 | ||
JPS5773132A (en) * | 1980-10-24 | 1982-05-07 | Nippon Kokan Kk <Nkk> | Production of cold rolled mild steel plate of superior deep drawability and aging resistance by continuous annealing |
US4426235A (en) * | 1981-01-26 | 1984-01-17 | Kabushiki Kaisha Kobe Seiko Sho | Cold-rolled high strength steel plate with composite steel structure of high r-value and method for producing same |
JPS58221233A (ja) * | 1982-06-15 | 1983-12-22 | Nippon Kokan Kk <Nkk> | プレス成形性の優れた高強度冷延鋼板の製造方法 |
JPS61170513A (ja) * | 1985-01-24 | 1986-08-01 | Kobe Steel Ltd | 高強度非調質棒鋼の製造方法 |
JPS62286626A (ja) * | 1986-06-04 | 1987-12-12 | Nippon Steel Corp | 鋼板のプレス成形方法 |
JP2981629B2 (ja) * | 1991-12-12 | 1999-11-22 | 株式会社神戸製鋼所 | 深絞り性に優れる複合組織焼付硬化性鋼板の製造方法 |
TW363082B (en) * | 1994-04-26 | 1999-07-01 | Nippon Steel Corp | Steel sheet having high strength and being suited to deep drawing and process for producing the same |
JP2991064B2 (ja) * | 1994-12-15 | 1999-12-20 | 住友金属工業株式会社 | 窒化非調質鍛造用鋼および窒化非調質鍛造品 |
US6478900B1 (en) * | 1994-12-30 | 2002-11-12 | Diado Tokushuko Kabushiki Kaisha | Method of forging precipitation hardening type stainless steel |
JP3389562B2 (ja) * | 2000-07-28 | 2003-03-24 | アイシン高丘株式会社 | 車輌用衝突補強材の製造方法 |
JP2004337923A (ja) * | 2003-05-15 | 2004-12-02 | Sumitomo Metal Ind Ltd | 熱間成形鋼材の製造方法 |
-
2004
- 2004-05-21 JP JP2004151754A patent/JP4551694B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-28 US US11/116,304 patent/US20050257862A1/en not_active Abandoned
- 2005-05-16 FR FR0504903A patent/FR2870469B1/fr not_active Expired - Fee Related
- 2005-05-20 GB GB0510344A patent/GB2414208B/en not_active Expired - Fee Related
- 2005-05-23 CN CNB2005100739175A patent/CN1310714C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004025247A (ja) * | 2002-06-26 | 2004-01-29 | Jfe Steel Kk | 高強度化部品の製造方法 |
JP2004124221A (ja) * | 2002-10-07 | 2004-04-22 | Nippon Steel Corp | 熱間成形加工後の硬化能に優れた鋼板およびその使用方法 |
JP2005177805A (ja) * | 2003-12-19 | 2005-07-07 | Nippon Steel Corp | ホットプレス成形方法 |
JP2005205477A (ja) * | 2004-01-26 | 2005-08-04 | Nippon Steel Corp | 生産性に優れた熱間プレス成形方法及び自動車用部材 |
Also Published As
Publication number | Publication date |
---|---|
JP2005329449A (ja) | 2005-12-02 |
GB2414208B (en) | 2006-07-12 |
US20050257862A1 (en) | 2005-11-24 |
FR2870469B1 (fr) | 2009-12-04 |
GB0510344D0 (en) | 2005-06-29 |
FR2870469A1 (fr) | 2005-11-25 |
GB2414208A (en) | 2005-11-23 |
CN1310714C (zh) | 2007-04-18 |
CN1698993A (zh) | 2005-11-23 |
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